Ribbon Cassette for printer



FIG. 1 is a perspective view of a ribbon cassette for printer showing my new design; the broken line ribbon being illustrative of environment only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an inverted rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view of the ribbon cassette for printer of FIG. 1;

FIG. 7 is a left side elevational view of the ribbon cassette for printer of FIG. 1. 

The ornamental design for a ribbon cassette for printer, as shown and described. 